Alkali-Swellable Thickener (ASE/HASE)
Alkali-swellable emulsion (ASE) and hydrophobically modified alkali-swellable emulsion (HASE) thickeners are acrylic-based rheology modifiers that activate upon neutralization to pH 8–10 in waterborne coatings. They provide excellent high-shear viscosity, spatter resistance, and good color acceptance in architectural paint systems. These thickeners offer cost-effective performance in flat to semi-gloss interior coatings.
Technical Specifications
| pH | 2.5–4.0 (as supplied) |
| viscosity | 50–500 mPa·s (as supplied) |
| appearance | Milky white emulsion |
| activationPH | 8.0–10.0 |
| activeContent | 18–30% |
Applications
- Flat and matte interior wall paints
- Semi-gloss latex coatings
- Primer coatings
- Masonry paints
- Architectural texture coatings
Key Features
- Activated by pH adjustment — easy to handle as supplied
- Excellent high-shear viscosity and spatter resistance
- Cost-effective vs associative thickeners
- Good pigment color acceptance
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